EP1161499A1 - Azoxyfarbstoffe und deren cu-komplexe - Google Patents
Azoxyfarbstoffe und deren cu-komplexeInfo
- Publication number
- EP1161499A1 EP1161499A1 EP00912518A EP00912518A EP1161499A1 EP 1161499 A1 EP1161499 A1 EP 1161499A1 EP 00912518 A EP00912518 A EP 00912518A EP 00912518 A EP00912518 A EP 00912518A EP 1161499 A1 EP1161499 A1 EP 1161499A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dyes
- dye
- copper
- azoxy
- added
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B45/00—Complex metal compounds of azo dyes
- C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
- C09B45/24—Disazo or polyazo compounds
- C09B45/28—Disazo or polyazo compounds containing copper
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B43/00—Preparation of azo dyes from other azo compounds
- C09B43/08—Preparation of azo dyes from other azo compounds by reduction
- C09B43/10—Preparation of azo dyes from other azo compounds by reduction with formation of a new azo or an azoxy bridge
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B43/00—Preparation of azo dyes from other azo compounds
- C09B43/44—Preparation of azo dyes from other azo compounds by substituting amine groups for hydroxyl groups or hydroxyl groups for amine groups; Desacylation of amino-acyl groups; Deaminating
Definitions
- the present invention relates to new azoxy dyes of the general formula I in the form of the free acid
- R 2 is carboxyl, amino, C ⁇ -C-alkylamino, allylamino, benzylamino and methoxycarbonylmethylamino and the phenyl rings A also with Ci-Cs-alkyl, phenyl, which can be substituted with methyl or halogen, hydroxyl, amino, nitro, halogen, carboxyl , N-benzylcarbamoyl, unsubstituted or substituted with nitro, halogen, -CC 4 alkoxy, acetoxy-substituted phenylcarbamoyl and naphthylcarbamoyl or may be benzanellated,
- CH-A-193 343, CH-A-196 252, CH-A-196 259, CH-A-196 260, CH-A-196 264, DE-A-26 51 369, EP-A-648 814 and EP-A-43 792 describe azoxy dyes with various hydroxyaminonaphthalene sulfonic acids and their copper complexes.
- DE-A-28 44 597 teaches a process for the preparation of copper-containing azoxy dyes whose coupling component is a 4-hydroxy-6-sulfophenylaminonaphthalene-2-sulfonic acid.
- the dyes of the prior art are cloudy and often give uneven colors.
- phenyl rings A can each carry 1, 2, 3 or 4, preferably 1 or 2, substituents, which can be different.
- Halogen residues are fluorine, chlorine, bromine and iodine.
- R 2 radicals are, for example, methylamino, ethylamino, propylamino, isopropylamino, butylamino, isobutylamino, sec-butylamino and tert-butylamino.
- phenyl rings A e.g. Methyl, ethyl, propyl, isopropyl, butyl, sec-butyl, tert-butyl, pentyl, hexyl, heptyl, octyl, 2-, 3- or 4-bromophenyl, 2-, 3- or 4-methylphenyl, 2-, 3- or 4-nitrophenylcarbamoyl, 2-, 3- or 4-methoxyphenylcarbamoyl, 2-methoxy-4-nitro- and 2-methoxy-5-nitrophenylcarbamoyl, 2-, 3- or 4-ethoxyphenylcarbamoyl and called 2-, 3- or 4-acetoxyphenylcarbamoyl.
- the dyes of the formulas I, VI, VII, VIII and IX are shown in the form of the free acids, but they are preferably in the form of salts, in particular alkali metal salts, or are deposited as salts during the preparation .
- the formulaic representation as free acid is therefore, as is usual in the dye literature, to be regarded as synonymous with the representation as salt.
- Suitable cations are derived from metal or ammonium ions.
- Metal ions are in particular the lithium, sodium or potassium ions.
- Unsubstituted or substituted ammonium cations are to be used under ammonium ions in the sense of the invention. stand.
- Substituted ammonium cations are, for example, monoalkyl, dialkyl, trialkyl, tetraalkyl or benzyltrialkylammonium cations, for example diethanolammonium or cations which are derived from nitrogen-containing five- or six-membered saturated heterocycles, such as pyrrolidinium, piperidinium, piperidine - or N-alkylpiperazinium cations or their N-monoalkyl- or N, N-dialkyl-substituted products.
- Alkyl is generally understood to mean straight-chain or branched C ⁇ -C o-alkyl which can be substituted by 1 or 2 hydroxyl groups and / or interrupted by 1 to 4 oxygen atoms in ether function.
- Nitroanilines of the formula V can be added to this coupling component in which R 1 has the abovementioned meaning, couple as a diazo component in a known manner and then link two resulting nitromomoazo dyes to the dyes according to the invention by reduction via an azoxy bridge.
- Reducing sugars e.g. D-glucose
- the solution can, for example, be made alkaline by means of an alkali metal hydroxide such as sodium hydroxide or lithium hydroxide.
- alkali metal hydroxide such as sodium hydroxide or lithium hydroxide.
- aldehydes e.g. Formaldehyde or hydrazine hydrate possible.
- Suitable aminohydroxynaphthalene sulfonic acids II are, for example, 1-amino-8-hydroxynaphthalene-4,6-disulfonic acid, 2-amino-8-hydroxynaphthalene-6-sulfonic acid, 3-amino-8-hydroxynaphthalene-6-sulfonic acid, 4-amino-8-hydroxynaphthalene 6 -sulfonic acid and particularly preferably 1-amino-8-hydroxynaphthalene-3,6-disulfonic acid.
- Anhydrides III are exemplary
- Phthalic anhydrides such as phthalic anhydride, 3-methyl, 4-methyl, 3, 6-dimethyl, 4-tert. -Butyl-, 3, 4, 5, 6 -Tetramethyl-, 3-o-Tolyl-, 3, 6-Diphenyl-, 3-Hydroxy-, 4-Carboxy-, 3-Amino-, 3 -Nitro-, 4 -Nitro-4 - (2, -dichlorophenyl) carbamoyl -, 4- (3,4-dichlorophenyl) carbamoyl-, 4- (2-methoxy-5-chlorophenyl) carbamoyl -, 4- (3 -nitrophenyl) carbamoyl -, 4- (2-methoxy-4-nitrophenyl) carbamoyl-, 4- - (2-methoxy-5-nitrophenyl) carbamoyl -, 4- (4 -acetamidophenyl) carbamoyl-, 4- (2-eth
- -Isatoic anhydrides such as isatoic anhydride, 6-methyl-, 6-hydroxy-, 5-hydroxy-, 4-carboxy-, 4 -nitro-, 5 -nitro-, 5 -amino-, 6 -fluoro-, 5 -chloro-, 6-chloro, 3, 5-dichloro, 5-bromo, N-methyl, N-ethyl, N-benzyl, N-allyl, N-methyl -5 -nitro -, N-methyl - 5- chloro-, N-methyl-6-chloro- and N-methoxycarbamoylmethylisato- anhydride as well
- the present invention further relates to Cu complex dyes and their mixtures which can be obtained by reacting dyes I with at least 0.1 mol equivalent of a copper donor. It is preferred to use 0.1-2 moles of a copper-donating agent per mole of dye. Amounts above 2 molar equivalents are possible, but have no influence on the product. If the 2: 1 complexes are not completely formed, that is to say if the copper-donating agents are ⁇ 2 molar equivalents, mixtures of the uncomplexed, 1-fold Cu-complexed and 2-fold Cu-complexed dyes are obtained.
- the Cu complex dyes obey the general formula VI in the form of the free acid
- R 2 and A have the abovementioned meaning.
- M 1 or M 2 are hydrogen and methyl
- the methyl radical forms the methoxy group of the phenyl ring and the hydrogen forms the hydroxyl group of the naphthalene skeleton.
- C complex dyes which are obtained by reaction with 0.5-1.7 mol, in particular 0.5-1.5 mol, of copper-donating agents per mol of dye are preferred.
- Salts which contain the copper as a cation for example copper sulfate, copper chloride or copper aceta
- copper-donating agent for example copper sulfate, copper chloride or copper aceta
- complex copper compounds is advantageous, for example in the form of copper-amine complexes, such as copper tetrammine sulfates from copper sulfate and ammonium niac, pyridine or monoethanolamine, or in the form of compounds which contain the copper in a complex bond, for example complex copper compounds of the alkali metal salts of aliphatic aminocarboxylic acids or hydroxycarboxylic acids, such as glycollate, lactic acid and especially tartaric acid, such as sodium copper tartrate.
- the treatment with the copper-donating agent is carried out in an aqueous or organic-aqueous medium, e.g. at room temperature, if there are readily metallizable starting compounds or by heating to temperatures between 50 and 120 ° C in an open vessel, e.g. under reflux cooling or, if appropriate, in a closed vessel under pressure, the pH ratios being given by the type of metallization method chosen.
- an aqueous or organic-aqueous medium e.g. at room temperature, if there are readily metallizable starting compounds or by heating to temperatures between 50 and 120 ° C in an open vessel, e.g. under reflux cooling or, if appropriate, in a closed vessel under pressure, the pH ratios being given by the type of metallization method chosen.
- solvents such as e.g. Alcohol, dimethylformamide, etc. can be added.
- dyes I are preferred in which the radicals R 1 are methoxy and the Cu complexes obtainable therefrom.
- dyes I and their Cu complexes are preferred in which the phenyl rings A are unsubstituted, that is to say only carry the radical R 2 or are substituted by C 1 -C 4 -alkyl.
- Dyes I and VII and their Cu complexes in which the radicals R 2 are carboxyl are preferred. Above all, dyes I and VII are preferred, in which R 1 is methoxy, R 2 is carboxy and the phenyl rings A carry C 1 -C 4 -alkyl as further substituents or are preferably unsubstituted. In particular, the Cu complexes obtainable from this are preferred.
- the Cu complex mixture of the preferred dyes are preferred, which are obtained by reaction with 0.1-2, in particular 0.5-1.7 molar equivalents of a copper-donating agent.
- the present invention further provides azoxy dyes of the general formula VIII in the form of the free acid
- R 1 , R 2 and A have the meaning given above.
- Another object of the present invention are Cu complex dyes of the general formula IX in the form of the free acid
- Ml, M2 and X each have the meaning given above.
- Azoxy dyes of the formula VIII in the form of the free acid in which X is hydrogen are preferred.
- Cu complex dyes of the formula IX in the form of the free acid in which X is hydrogen are also preferred.
- azoxy dyes of the formula VIII are obtained as described above for the azoxy dyes of the formula I. Partial or complete removal of the rest
- the metal complex dyes according to the invention can be used on their own, in mixtures with one another and with the azoxy dyes I and VIII and together with other cationic or anionic compounds in the form of their solutions or in the form of powders or granules.
- oligomers of ethylene imine, ethylene oxide or propylene oxide or derivatives of these oligomers can be used.
- Further preferred additives are glycols such as 1,2-glycol, 1,2-propanediol, 2,3-butylene glycol, diethylene glycol, triethylene glycol, ethyl tetraglycol, dipropylene glycol, ethylene glycol monopropyl ether, methyl diglycol, triethylene glycol monobutyl ether, triethylene glycol mono-propyl ether, diethylene glycol monoethyl ether, diethylene glycol dibutyl ether and particularly preferably urea.
- the dyes of the invention can preferably be used in the production of colored, sized and unsized paper. They can also be used to dye paper using the immersion method.
- the dyeing of paper, leather or cellulose is carried out according to methods known per se.
- the Cu complex dyes according to the invention color in different clear shades of blue. They show very good wind-up behavior on paper.
- the new dyes or their preparations practically or only slightly stain the wastewater during paper production, which is particularly beneficial for keeping the water clean. They are highly noun, do not mottle when colored on paper and are largely insensitive to pH.
- the dyeings on paper are characterized by good lightfastness. After prolonged exposure, the shade changes tone-on-tone.
- the colored papers, which have good bleachability are wet-fast, not only against water, but also against milk, soapy water, sodium chloride solutions, fruit juices or sweetened mineral water and, due to their good alcohol fastness, also resistant to alcoholic beverages.
- the new dyes can also dye, pad or print polyacrylonitrile textiles or polyamide or polyester textiles modified by anionic groups.
- the dyes of the general formulas Ia, Ib and Ic mentioned in Table 2 can be prepared.
- the choice of the optimal reduction conditions is based on the type of nitroazo compound to be used and can be easily determined by preliminary tests.
- the dyes obtained in this way can be isolated by adding hydrochloric acid or colored out of the reaction suspension on paper.
- the dealkylative coppering of o-hydroxy-o '-methoxy-azo dyes generally requires heating at 80-90 ° C. for 6-12 hours in an ammoniacal medium.
- - Ammonia can be replaced in whole or in part by organic nitrogenous bases.
- the coppering can be carried out starting from the isolated dyes or directly following the reduction, the copper-free dyes not being insulated in between. If the copper-free dye has been isolated, both the use of the moist press cake and the conversion of the dried dye is possible.
- the ratio of copper-free dye to single-copper dye to double-copper dye depends on the amount of copper salt offered.
- the Dyes produced in this way were partly precipitated by adding hydrochloric acid and partly directly colored on paper from the reaction solution.
- the dyes can be obtained in the form of their salts (for example Li, Na, K; (optionally substituted) ammonium) using stable methods as stable liquid formulations.
- the dyes produced in Examples 34, 83, 84, 85, 86, 87, 88, 89, 90, 91 and 92 are dyed on various paper stock models in a mass dyeing to 1/6 depth of direction. It shows that the color of the dyes becomes greener in this order and the light fastness increases.
- dye mixtures can be obtained from the uncomplexed, 1-fold copper-complexed and 2-fold copper-complexed azoxy dye, which dye paper evenly and have good fastness properties .
- the choice of the optimal reaction conditions is based on the type of dye to be used and can be easily determined by preliminary tests.
- the dyestuffs obtained in this way can be isolated by adding acid or colored out of the reaction suspension on paper.
- the copper complexes of water-soluble o-hydroxy-o '-carboxy-azo dyes form under mild conditions at room temperature in the weakly acidic or ammoniacal pH range. For reasons of solubility, elevated temperatures are used in technical production. If metallized in the acidic range, the mineral acid released is buffered with sodium acetate. In this class of substances, too, the coppering can be carried out starting from the isolated dyes or directly following the reduction, the copper-free dyes not being isolated in between. If the copper-free dye has been isolated, both the use of the moist press cake and the conversion of the dried dye are possible. The ratio of copper-free dye to single-copper dye to double-copper dye depends on the amount of copper salt offered.
- the dyes produced in this way were partly precipitated by adding hydrochloric acid and partly directly colored on paper from the reaction solution.
- the dyes can be obtained using stable methods in the form of their salts (e.g. Li, Na, K; (optionally substituted) ammonium) as stable liquid settings.
- dye mixtures can be obtained from the uncomplexed, 1-fold copper-complexed and 2-fold copper-complexed azoxy dye, which dye paper evenly and have good fastness properties.
- the choice of the optimal reaction conditions is based on the type of dye to be used and can be easily determined by preliminary tests.
- the dyes obtained in this way can be isolated by adding acid or colored on the paper from the reaction suspension.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Paper (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19911267A DE19911267A1 (de) | 1999-03-13 | 1999-03-13 | Azoxyfarbstoffe und deren Cu-Komplexe |
DE19911267 | 1999-03-13 | ||
PCT/EP2000/001636 WO2000055259A1 (de) | 1999-03-13 | 2000-02-28 | Azoxyfarbstoffe und deren cu-komplexe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1161499A1 true EP1161499A1 (de) | 2001-12-12 |
EP1161499B1 EP1161499B1 (de) | 2003-12-03 |
Family
ID=7900885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00912518A Expired - Lifetime EP1161499B1 (de) | 1999-03-13 | 2000-02-28 | Azoxyfarbstoffe und deren cu-komplexe |
Country Status (9)
Country | Link |
---|---|
US (2) | US6727351B1 (de) |
EP (1) | EP1161499B1 (de) |
JP (1) | JP2002539316A (de) |
AT (1) | ATE255620T1 (de) |
AU (1) | AU3425500A (de) |
BR (1) | BR0008951B1 (de) |
DE (2) | DE19911267A1 (de) |
ES (1) | ES2211516T3 (de) |
WO (1) | WO2000055259A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2431043A1 (en) * | 2000-12-28 | 2002-07-11 | Ciba Specialty Chemicals Holding Inc. | Disazo dyes, and copper complexes thereof, for dyeing paper |
CA2429487A1 (en) * | 2000-12-28 | 2002-07-11 | Adolf Kaser | Use of copper complexes of disazo dyes for dyeing natural and synthetic material |
US20060107589A1 (en) | 2004-11-19 | 2006-05-25 | Rubin Patti D | Compressed growing medium |
US9756798B2 (en) | 2004-11-19 | 2017-09-12 | Patti D. Rubin | Burrow filling compressed growing medium |
WO2009058869A1 (en) | 2007-10-29 | 2009-05-07 | Oms Investments, Inc. | Compressed coconut coir pith granules and methods for the production and use thereof |
Family Cites Families (39)
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CH172368A (de) | 1933-05-25 | 1934-10-15 | Chem Ind Basel | Verfahren zur Herstellung eines neuen Farbstoffes. |
CH196252A (de) | 1936-06-17 | 1938-02-28 | Chem Ind Basel | Verfahren zur Herstellung eines Azofarbstoffes. |
US2203196A (en) * | 1936-06-17 | 1940-06-04 | Soc Of Chemical Ind | Polyazo dyestuffs and process of making same |
CH193343A (de) | 1936-06-17 | 1937-10-15 | Chem Ind Basel | Verfahren zur Herstellung eines Azofarbstoffes. |
CH196259A (de) | 1936-06-17 | 1938-02-28 | Chem Ind Basel | Verfahren zur Herstellung eines Azofarbstoffes. |
CH196264A (de) | 1936-06-17 | 1938-02-28 | Chem Ind Basel | Verfahren zur Herstellung einer komplexen Kupferverbindung eines Polyazofarbstoffes. |
US2180776A (en) * | 1936-06-17 | 1939-11-21 | Soc Of Chemical Ind | Process for the manufacture of complex metal compounds of polyazo dyestuffs |
CH196260A (de) | 1936-06-17 | 1938-02-28 | Chem Ind Basel | Verfahren zur Herstellung einer komplexen Kupferverbindung eines Polyazofarbstoffes. |
US2495640A (en) * | 1946-05-31 | 1950-01-24 | Method of molding | |
US3004295A (en) * | 1955-09-26 | 1961-10-17 | Swedlow Inc | Method for forming sheet material |
US2913036A (en) * | 1956-08-10 | 1959-11-17 | Anthony Bros Fibre Glass Pool | Process and apparatus for molding large plastic structures |
US3137898A (en) * | 1960-09-19 | 1964-06-23 | Structural Fibers | Apparatus for the manufacture of fiberreinforced plastic tanks |
NL281797A (de) * | 1961-08-08 | |||
GB1569259A (en) | 1975-11-20 | 1980-06-11 | Ici Ltd | Concentrated aqueous solutions of disazo dyes |
US4132755A (en) * | 1977-07-22 | 1979-01-02 | Jay Johnson | Process for manufacturing resin-impregnated, reinforced articles without the presence of resin fumes |
US4238437A (en) * | 1978-08-02 | 1980-12-09 | Rolston John A | Method for producing fiber reinforced product |
DE2844597A1 (de) | 1978-10-13 | 1980-04-24 | Bayer Ag | Verfahren zur herstellung von kupferhaltigen azo-farbstoffen |
US4312829A (en) * | 1979-12-10 | 1982-01-26 | Fourcher Fredric J | Molding method |
NL178761C (nl) * | 1980-03-11 | 1986-05-16 | Le Comte Holland B V | Werkwijze voor het vervaardigen van een voorwerp van kunsthars. |
US4311661A (en) * | 1980-05-05 | 1982-01-19 | Mcdonnell Douglas Corporation | Resin impregnation process |
DE3173964D1 (en) | 1980-06-03 | 1986-04-10 | Ciba Geigy Ag | Dyeing paper |
DE3042147A1 (de) * | 1980-11-08 | 1982-06-16 | Bayer Ag, 5090 Leverkusen | Verwendung von kupferkomplex-azofarbstoffen zum faerben von papier |
EP0090114A3 (de) * | 1982-03-26 | 1984-10-03 | Imperial Chemical Industries Plc | Reaktivfarbstoffe |
DE3410050A1 (de) * | 1984-03-19 | 1985-09-19 | Manfred 7062 Rudersberg Krauter | Verfahren zur herstellung von faserverstaerkten kunststoff-formteilen |
US4622091A (en) * | 1984-11-29 | 1986-11-11 | The Boeing Company | Resin film infusion process and apparatus |
US4873044A (en) * | 1987-12-21 | 1989-10-10 | Shell Oil Company | Method and apparatus for reduction of mold cycle time |
US4886442A (en) * | 1988-05-26 | 1989-12-12 | The Boeing Company | Vacuum bag tooling apparatus with inflatable seal |
US4902215A (en) * | 1988-06-08 | 1990-02-20 | Seemann Iii William H | Plastic transfer molding techniques for the production of fiber reinforced plastic structures |
US4975311A (en) * | 1988-12-20 | 1990-12-04 | Itt Corporation | Vacuum lamination station |
US4942013A (en) * | 1989-03-27 | 1990-07-17 | Mcdonnell Douglas Corporation | Vacuum resin impregnation process |
US5052906A (en) * | 1989-03-30 | 1991-10-01 | Seemann Composite Systems, Inc. | Plastic transfer molding apparatus for the production of fiber reinforced plastic structures |
US5464337A (en) * | 1991-03-27 | 1995-11-07 | The Charles Stark Draper Laboratories | Resin transfer molding system |
US5439635A (en) * | 1993-02-18 | 1995-08-08 | Scrimp Systems, Llc | Unitary vacuum bag for forming fiber reinforced composite articles and process for making same |
US5316462A (en) * | 1993-02-18 | 1994-05-31 | William Seemann | Unitary vacuum bag for forming fiber reinforced composite articles |
JP3680323B2 (ja) | 1993-10-14 | 2005-08-10 | 住友化学株式会社 | 染料系偏光膜 |
US5494507A (en) * | 1994-12-19 | 1996-02-27 | Lexmark International, Inc. | Dye having hydrophobic substituent and aqueous ink |
US5588392A (en) * | 1995-04-18 | 1996-12-31 | Outboard Marine Corporation | Resin transfer molding process |
US5958325A (en) * | 1995-06-07 | 1999-09-28 | Tpi Technology, Inc. | Large composite structures and a method for production of large composite structures incorporating a resin distribution network |
US5904972A (en) * | 1995-06-07 | 1999-05-18 | Tpi Technology Inc. | Large composite core structures formed by vacuum assisted resin transfer molding |
-
1999
- 1999-03-13 DE DE19911267A patent/DE19911267A1/de not_active Withdrawn
-
2000
- 2000-02-28 JP JP2000605681A patent/JP2002539316A/ja active Pending
- 2000-02-28 EP EP00912518A patent/EP1161499B1/de not_active Expired - Lifetime
- 2000-02-28 ES ES00912518T patent/ES2211516T3/es not_active Expired - Lifetime
- 2000-02-28 WO PCT/EP2000/001636 patent/WO2000055259A1/de active IP Right Grant
- 2000-02-28 AU AU34255/00A patent/AU3425500A/en not_active Abandoned
- 2000-02-28 DE DE50004647T patent/DE50004647D1/de not_active Expired - Lifetime
- 2000-02-28 BR BRPI0008951-6A patent/BR0008951B1/pt not_active IP Right Cessation
- 2000-02-28 AT AT00912518T patent/ATE255620T1/de not_active IP Right Cessation
- 2000-02-28 US US09/936,432 patent/US6727351B1/en not_active Expired - Fee Related
-
2004
- 2004-03-09 US US10/795,585 patent/US6903197B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO0055259A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2000055259A1 (de) | 2000-09-21 |
US6903197B2 (en) | 2005-06-07 |
AU3425500A (en) | 2000-10-04 |
DE50004647D1 (de) | 2004-01-15 |
US6727351B1 (en) | 2004-04-27 |
ES2211516T3 (es) | 2004-07-16 |
DE19911267A1 (de) | 2000-09-14 |
JP2002539316A (ja) | 2002-11-19 |
US20040204570A1 (en) | 2004-10-14 |
EP1161499B1 (de) | 2003-12-03 |
BR0008951B1 (pt) | 2010-06-15 |
ATE255620T1 (de) | 2003-12-15 |
BR0008951A (pt) | 2001-12-26 |
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